#57C8EF#57C8EF

#57C8EF is a light, moderate cyan. Relative luminance 0.496; OKLCH L 78.3% C 0.116 H 224.1°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX#57C8EF
RGBrgb(87, 200, 239)
HSLhsl(195, 83%, 64%)
HSVhsv(195, 64%, 94%)
CMYKcmyk(63.6%, 16.3%, 0%, 6.3%)
CIE-LABlab(75.80, -20.50, -28.79)
CIE-LCHlch(75.80, 35.34, 234.55°)
OKLaboklab(78.3% -0.083 -0.0803)
OKLCHoklch(78.3% 0.116 224.1)
XYZxyz(40.1585, 49.5626, 89.0947)
Luminance0.4957 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57C8EF #EF7E57
analogous
#57EFCA #57C8EF #577CEF
triadic
#57C8EF #EF57C8 #C8EF57
tetradic
#57C8EF #CA57EF #EF7E57 #7CEF57
square
#57C8EF #CA57EF #EF7E57 #7CEF57
split-complementary
#57C8EF #EF577C #EFCA57
monochromatic
#128FBA #1FB6EA #57C8EF #8FDAF4 #C7EDFA

Accessibility & contrast

On white

1.92
#57C8EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.91
#57C8EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57C8EF
10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57C8EF#FFFFFF#000000##000000
##57C8EF1.001.9210.9110.91
#FFFFFF1.921.0021.0021.00
#00000010.9121.001.001.00
##00000010.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B2C4F1
Deuteranopia (green-blind)
#9DB4EF
Tritanopia (blue-blind)
#00D4D5
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #57c8ef;
/* rgb */ color: rgb(87, 200, 239);
/* oklch */ color: oklch(78.3% 0.116 224.1);
Tailwind
colors: {
  custom: {
    50: '#95d8f4',
    500: '#57c8ef',
    950: '#000000',
  },
}
SCSS
$custom: #57c8ef;
$custom-light: #95d8f4;
$custom-dark: #000000;
JSON
{
  "hex": "#57c8ef",
  "rgb": {
    "r": 87,
    "g": 200,
    "b": 239
  },
  "hsl": {
    "h": 195.395,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.783,
    "c": 0.1155,
    "h": 224.1
  },
  "luminance": 0.49567
}

Semantic roles & 50–950 ramp

primary
#57C8EF
secondary
#ECC4B6
accent
#3E06DF
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0F1417
muted
#7E8385

Preview Lab

Preview with #57C8EF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#57C8EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva